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//------------------------------------------------------------------------------
// <copyright file="ConfigurationManagerHelperFactory.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
namespace System.Configuration {
using System.Configuration.Internal;
using System.Diagnostics.CodeAnalysis;
using System.Security.Permissions;
//
// class ConfigurationManagerHelperFactory manages access to a
// single instance of ConfigurationManagerHelper.
//
static internal class ConfigurationManagerHelperFactory {
private const string ConfigurationManagerHelperTypeString = "System.Configuration.Internal.ConfigurationManagerHelper, " + AssemblyRef.System;
static private volatile IConfigurationManagerHelper s_instance;
static internal IConfigurationManagerHelper Instance {
get {
if (s_instance == null) {
s_instance = CreateConfigurationManagerHelper();
}
return s_instance;
}
}
[ReflectionPermission(SecurityAction.Assert, Flags = ReflectionPermissionFlag.MemberAccess)]
[SuppressMessage("Microsoft.Security", "CA2106:SecureAsserts", Justification = "Hard-coded to create an instance of a specific type.")]
private static IConfigurationManagerHelper CreateConfigurationManagerHelper() {
return TypeUtil.CreateInstance<IConfigurationManagerHelper>(ConfigurationManagerHelperTypeString);
}
}
}
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